This article is from Proof Positive, our friendly newsletter that explores the joys and peculiarities of math. Sign up today for a weekly math essay and puzzle in your email inbox. “I know it will be ...

The watchdog also highlighted the lack of details in the government’s progress to save $60 billion in operational spending over the next five years You can save this article by registering for free ...

After a punishing winter, Ukraine has had no time to recover. Russia launched almost 6,500 drones in March, surpassing the total of each of the previous two months, with no sign of slowing down.

NORFOLK — Corey Holden was taking a midterm exam on the first floor of Constant Hall when the shooting started. He ran, thinking he might die. Lee Land was leading her math class through a review ...

Explore the work-energy approach to determine the spring constant needed for launching a spacecraft! This physics tutorial demonstrates calculations, concepts, and applications for energy, forces, and ...

In this study, downtime is calculated through seismic response analyses under multiple ground motion scenarios expected to occur during the service life of the building. Note that downtime is ...

Abstract: In the field of constant envelope orthogonal frequency division multiplexing (CE-OFDM), the use of phase modulation heralds a paradigm with an extremely reduced peak-to-average power ratio ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. This Account discusses recent progress and challenges in binding free energy ...

The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from dark-energy observatories. After expanding to its peak size about 11 billion ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...